@ARTICLE{
author={Ortega Alberto J,Radonjic Nevena V,Zecevic Nada},
year={2013},
title={Sonic hedgehog promotes generation and maintenance of human forebrain Olig2 progenitors},
journal={FRONTIERS IN CELLULAR NEUROSCIENCE},
volume={7},
number={},
pages={-},
document_type={Article},
}